Code of Federal Regulations · Section

§ 57.22222 — Ventilation Materials (i-a, I-b, I-c, Ii-a, Iii, V-a, And V-b Mines)

30 C.F.R. § 57.22222

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Brattice cloth and ventilation tubing shall be approved by MSHA in accordance with 30 CFR part 7, or shall bear a BC or VT acceptance number issued by the MSHA Approval and Certification Center.

30 C.F.R. § 57.22221 30 C.F.R. § 57.22223

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